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The difference between 240 gb hard drive and 240 000 mb hard drive?

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What is difference between 240gb and 240 000mb


240 GB = 245760 MB

240,000 MB = 234.375MB
1 GB = 1024 MB

Jun 06, 2014 | Panasonic HOME ENTERTAINMENTTECHNOLOGY:...

4 Answers

WINDOWS WILL NOT RECOGNIZE MY 640 GB ONLY 600 GB


If you bought a 640 GB hard drive when the drive is formatted it will be slightly smaller then the size listed on the box.
This is caused by a difference between the size of a GB as defined by windows versus the maker of the drive. The drive manufacture assumes that 1 GB is 1000 MB, where as windows assumes it is 1024 MB.
If you carry these assumptions all the way down to the byte level you get:
640GB = 640000 MB = 6.4 * 10^8 KB = 6.4 * 10^11 bytes
this is the base storage size of the drive.
Then windows takes this number and does the same in reverse to get the number of GB is displays:
6.4 *10^11 bytes = 6.25 * 10^8 KB = 610351 MB = 596.1 GB
There is nothing wrong with the drive, it's just a different unit of measurement.

May 25, 2011 | Computers & Internet

1 Answer

My HDD Dell 300GB 15K 3.5" SAS, i used with Windows Server 2008 Enterprise. The problem after installing the hdd total capacity its 279 How can manage this? Thank you


Hard drive manufacturers market drives in terms of decimal (base 10) capacity. In decimal notation, one megabyte (MB) is equal to 1,000,000 bytes, one gigabyte (GB) is equal to 1,000,000,000 bytes, and one terabyte (TB) is equal to 1,000,000,000,000 bytes.

Programs such as FDISK, system BIOS, Windows, and MacOS use the binary (base 2) numbering system. In the binary numbering system, one megabyte is equal to 1,048,576 bytes, one gigabyte is equal to 1,073,741,824 bytes, and one terabyte is equal to 1,099,511,627,776 bytes.

Simply put, decimal and binary translates to the same amount of storage capacity. Let's say you wanted to measure the distance from point A to point B. The distance from A to B is 1 kilometer or .621 miles. It is the same distance, but it is reported differently due to the measurement.

Capacity Calculation Formula

Decimal capacity / 1,048,576 = Binary MB capacity
Decimal capacity / 1,073,741,824 = Binary GB capacity
Decimal capacity / 1,099,511,627,776 = Decimal TB capacity

Example:
A 500 GB hard drive is approximately 500,000,000,000 bytes (500 x 1,000,000,000).

500,000,000,000 / 1,048,576 = 476,837 megabytes (MB) = 465 gigabytes (GB)

Mar 07, 2011 | Dell 300GB 15K RPM SAS 3.5-HPLUG HD R710...

1 Answer

Transcend 160gb external harddisk shows 149gb as i connect it to computer


The reason why you see that difference is common to all hard drive manufacturers. They determine a GB to be 1000 MB, and 1 MB to be 1000 KB, so on...
However, computers define 1 KB to be 1024 B, 1 MB to be 1024 KB, and 1 GB to be 1024 MB- so there's a reduction right there of the capacity. Add to this the overhead for a file system- and that explains the variance you see

Feb 02, 2011 | Computers & Internet

1 Answer

My hard disk sp 40 don't have 40 GB is as 38202 MB


It depends on how you "count" -- 40 times 1000 times 1000 times 1000 is approximately equal to 38.202 times 1024 times 1024 times 1024.

Note that 2**10 is 1024, while 10**3 is 1000.

So, (1024/1000)**3 is approximately equal to 40(.000/38.202).

QED.

Dec 20, 2010 | Samsung (SP0411N) 40 GB Hard Drive

1 Answer

Hallooo ... sp, what's the difference with the IR5570 IR 6570 .. thanks


-IR5570 : 55 page/mn
  1. 20 GB Hard disk drive
  2. 512 MB RAM
  3. Scanning resotion 600*600 dpi
  4. Copy resoltion 1200*600 dpi
  5. Print resoltion 2400*600 dpi
IR6570 : 65 page/mn
  1. 20 GB Hard disk drive
  2. 512 MB RAM
  3. Scanning resotion 600*600 dpi
  4. Copy resoltion 1200*600 dpi
  5. Print resoltion 2400*600 dpi
you can use this brochure to see more: http://www.usa.canon.com/cpr/pdf/Brochures/copier_ir_6570_5570_5070_brochure.pdf

Dec 07, 2010 | Canon imageRUNNER 5570 Copier

2 Answers

Total space problem. i have a buffalo turbo usb ministation 160GB but when i open my computer it has only a total size of 149GB...how to make it 160GB?......please help


The windows use some space for space addresing but not that much

It shoves 149 GB because manufacterers use the terms gigabyte in metric (base ten) way.

IT means 160 GB = 160 * 1000 MB = 160 000 * 1000 KB= 160 000 000 * 1000 Bytes

when you convert that in Gigabyte that computer use (1GB = 1024MB, 1MB = 1024 KB, 1 KB = 1024 Bytes) you get:

160 000 000 000 Bytes = 160 000 000 000 /1024 KB = 156250000 / 1024 MB = 152587,890625 / 1024 GB = 149,011 GB

Jun 18, 2010 | Buffalo Technology 250GB MINISTATION TURBO...

1 Answer

My hard disk goes hang when it boots the bios and cannot detect it. but my hard disk is still running.


I have a similar problem with an 80 gb drive in a Compaq. I've isolated it to the cable or the connector on either the motherboard or the drive. Try unplugging the cable at each end, then plugging it back in. Reboot. If it finds it and works normally, you have 1) a bad hard drive cable 2) a bad hard drive controller socket on the MB (bad MB :-( ) or 3) an intermittent connector on the hard drive. 1 is easy. 2 and 3 are problems. Try a different drive and see if it boots reliably every time - if so, suspect the drive. If its the MB, probably time to UPGRADE.

Dec 04, 2008 | Seagate Barracuda 7200.7 ST380011A 80 GB...

1 Answer

NexStar hard drive doesn't recognize its size


It may be crashed....use [Nucleus Kernel for FAT and NTFS ] software...

Oct 11, 2008 | Vantec NexStar-3 External 3.5inch...

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